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CVE-2026-42087

9.6 critical SSVC exploitation: poc Analyzed

OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. From version 6.7.0 to before version 7.0.0-rc3, a SQL injection vulnerability exists in the Time-Series Database (TSDB) component of COSMOS. The tsdb_lookup function in the cvt_model.rb file directly places user-supplied input into a SQL query without sanitizing the input. As a result, a user can break out of the initial SQL statement and execute arbitrary SQL commands, including deleting data. This issue has been patched in version 7.0.0-rc3.

Fix

Patch, vendor advisory and mitigation references on NVD 3

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 9.6 · openc3NVD modified 2026-10-26 19:10

Affected (CPE criteria) 3

  • cpe:2.3:a:openc3:cosmos:*:*:*:*:open_source:*:*:*
  • cpe:2.3:a:openc3:cosmos:7.0.0:rc1:*:*:open_source:*:*:*
  • cpe:2.3:a:openc3:cosmos:7.0.0:rc2:*:*:open_source:*:*:*

References 4